What's the matter that mobile phones can't send and receive text messages?

1. The number of your SMS center may have been changed.

The number of information centers varies from place to place.

Mobile phone problem 10086

Unicom problem 100 10

Before using SMS, you should set up a SMS service center on your mobile phone. Please look for the number setting of SMS service center under SMS, Info or similar menu of your mobile phone and set it as the number of SMS service center of the corresponding operator.

Second, your SMS storage space is full, so you need to delete the redundant expired SMS.

Third, your mobile phone may be infected with a mobile phone virus.